The 820ml Portable Thermal Lunch Box is a double-layer insulated food container designed to keep meals hot or cold for up to 4 hours. Made with high-quality 304 stainless steel and durable PP materials, it ensures safe and fresh food storage. Its stylish design, available in green, orange, pink, and blue, makes it perfect for office, school, and travel use. The double-layer system prevents flavor mixing, while the built-in handle and spoon add extra convenience. Whether you need a soup cup, lunch box, or food jar, this insulated container is a reliable and modern choice for daily use.